OT-2026-000067724
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000067724) never changes.
Identity and time
| Publication number | OT-2026-000067724 · never reused |
|---|---|
| Internal UUID | 01a0ae8f-c4f9-7c82-a7ff-ca96a2e4a8d2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:50:52.812402Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000067724 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9a5b081096f8e0ab36fff208e0d8d21e49b58e1e72bad9881cabd9a11ab485fb |
|---|---|
| Markdown | c4ca0192264b657c1aa0f9e3c3f65767cd7360de29b589423105e5290bf6ddbb |
| Publication page | 55c1fe861cdd23ad04767e91fe77d76756a2bf123a5f6bcecfe41d494509e2ae |
| Manifest | a29785dd66d77e855ef05a4a6ee9d31dd138b5f4cab7ae5ea057d7784831b324 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | Yv+Rxmrq1Mem+/jSelP4OVPUn0ZS3ctvJWiESrM1M5n3accJpcY2bXBbUKM6DZF+HRGQBunDJiMPQgMbHkFgCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
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Independent retrieval
| 2026-10-07T04:41:29.146495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067724observed 55c1fe861cdd23ad04767e91fe77d767...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-07T04:41:29.091123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067724/manifest.jsonobserved a29785dd66d77e855ef05a4a6ee9d31d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T04:41:28.985415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067724/publication.mdobserved c4ca0192264b657c1aa0f9e3c3f65767...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T04:41:28.855928Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067724/publication.txtobserved 9a5b081096f8e0ab36fff208e0d8d21e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:41.257740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067724observed 55c1fe861cdd23ad04767e91fe77d767...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:41.176834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067724/manifest.jsonobserved a29785dd66d77e855ef05a4a6ee9d31d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:41.098445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067724/publication.mdobserved c4ca0192264b657c1aa0f9e3c3f65767...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:40.971290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067724/publication.txtobserved 9a5b081096f8e0ab36fff208e0d8d21e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|